Difference Between Hydraulic Oil & Crankcase Oil?

Answer Nearly every functional component of an automobile depends on oils to allow the moving parts to operate freely, reducing the amount of friction, thus the amount of heat the parts produce. This does... Read More »

Top Q&A For: Difference Between Hydraulic Oil & Crankcase Oil

Difference Between Hydraulic Oil & Pneumatic Oil?

Hydraulic oil and pneumatic (lubricating) oil are two different fluids for entirely different applications. It is important to understand these differences when selecting an oil to use. Choosing th... Read More »

Hydraulic Brakes Vs. Hydraulic Lifts?

All hydraulic machines work by means of Pascal's Principle. Pascal's Principle states that when there is an increase in pressure on an enclosed fluid, pressure increases by the same amount everywhe... Read More »

Do AC compressors have crankcase oil?

No, A/C compressors do not use crankcase oil. A/C compressors use polyalkylene glycol (PAG) oil. PAG oil is a synthetic blend of oil that was designed to mix with the new HFC-R134 freon that is use... Read More »

What Does a Crankcase Position Sensor Do?

A crankcase position sensor communicates with the engine's electrical control module about the revolutions per minute of the engine and where the crank assembly is positioned.